A weak cool front will help to drop temperatures slightly across northern Utah as we return to the 80s.
An isolated afternoon thunderstorm is possible for the southern Wasatch Front. The heat returns as temperatures return to the 90s and close to triple digits by Wednesday.
Salt Lake City
Monday: Mostly sunny. Highs: Upper 80s.
Monday Night: Mostly clear: Upper 60s.
Tuesday. Sunny. Low 90s.
St. George
Monday: Sunny. Highs: Upper 90s.
Monday Night: Mostly clear. Lows: Low 70s.
Tuesday: Sunny Highs: Near 102.